Ascorbic Acid (E300) — What You Need to Know
What Is Ascorbic Acid?
Ascorbic acid is the chemical name for Vitamin C, one of the most essential nutrients for human health. As a food additive, it serves primarily as an antioxidant to prevent browning and oxidation, extending the shelf life of foods. It is found naturally in citrus fruits, berries, and many vegetables. The commercial form used in food is typically synthesized from glucose but is chemically identical to the naturally occurring vitamin.
What Is It Used For?
Prevents browning and oxidation in cut fruits, juices, jams, and canned goods. Used as a dough improver in bread baking. Fortifies foods and beverages with vitamin C. Extends shelf life of meat products.
Safety Assessment
Extremely safe at food additive levels. Very high supplemental doses (above 2,000 mg/day) may cause gastrointestinal disturbances and potentially increase risk of kidney stones in susceptible individuals. At normal dietary and food additive levels, no concerns exist.
Based on current evidence, Ascorbic Acid is rated Safe with a score of 10/10. This is 2.9 points above the average for antioxidants (7.1/10). Last reviewed by regulators: 2015.
Commonly Found In
Always check the label for E300 or 'Ascorbic Acid'
▶Chemical Information
Frequently Asked Questions about Ascorbic Acid
Quick Facts
- E-Number
- E300
- INS Number
- 300
- Category
- Antioxidants
- Origin
- Natural
- FDA Status
- GRAS
- EFSA Status
- Authorized
- ADI
- No limit
- Last Review
- 2015
Related Additives
Other antioxidants in the same family